Flue or chimney.



No. 638,953. Patented Dec. I2, |899.

J. W. CAMPBELL.

FLUE 0R CHIMNEY.

(Application fded Dec. 31, 189B.) (N0 Model.)

Ni'rnn raras y.irren nieren.

FLUE OR CHIIVINEY.

SPECIFICATION forming part of Letters Patent NO. 638,953, dated December12, 1899. Application filed December 3l, 1898. Serial No. 700,818. (Nomodell) To @ZZ whom it may concern:

Be it known that L-IJAMEs W; CAMPBELL, a citizen of the United States,residing at Mangum, in the county of Greer and Territory of Oklahoma,have invented a new and useful Flue or Chimney, of which the followingis a specification.

My invention relates to improvements in chimneys or i'lues for use inhouses or dwellings to carry oif the smoke and products of combustionfrom stoves or furnaces; and said invention relates more particularly tometallic flues which provide for Ventilating the rooms or apartmentswithout the necessity for opening windows or doors and which fines maybe carried or extended through the floors and the roof without danger ofsetting fire to the woodwork.

One object of the invention is to provide means which may be applied toa roof to secure a circulation of air between the flue and theroof-'thimble and which will also prevent the entrance of rain or snowthrough the hole in the roof through which the flue passes.

A further object of the invention is to provide a cowl adapted to beadjusted to variable heights on the flue and which isheld securely inplace by frictional clamping devices that permit the cowl to be readilyand easily de-V tached.

With these ends in view the invention consists in the novel combinationof elements and in the construction and arrangement of parts, which willbe hereinafter fully described and claimed. Y

To enable others to understand the invention, I have illustrated thesame in the accompanying drawings, forming a part of this specification,and in which- Figure 1 is ay sectional elevation through part of abuilding, with my improved flue or chimney applied thereto. Fig. 2 is avertical section through the upper part of the flue. Fig. 3 is anenlarged vertical section through the floor-thimble. Fig. L is ahorizontal section through the floor-thimble on the linea 4 of Fig. 3.Fig. 5 is an enlarged horizontal section through the fiue on theplane-of the rainexcluding hood and indicated by the dotted line 5 5 ofFig. 2.

Like numerals of reference denote like and corresponding parts in eachof the several fig ures of thedrawings.

The metallic flue or chimney of my invention is indicated by 10. It ismade of sheet metal in one or more lengths or sections, which aresufficiently long to extend from the iioor to the roof, or this flue mayextend through two or more iioors of the dwelling. The metallic flue 10is carried through one or more floor-thimbles, according to the heightof the building, and this iiue is provided with a noncombustible lining11 of tiling, asbestos, or other fireproof material. This lined flue isfitted in the loorethimbles and the roof-thimL ble, so as to be held bythe thimbles out of direct contact with the woodwork of the dwelling,and these thimbles are constructed to secure a circulation of air withinthe thimbles and around the flue, whereby the liability of settingv lireto the woodwork is minimized and the rooms or apartments are ventilated.

The iioor-thimble 13 is constructed in separable parts or members whichare adapted to be assembled quickly for ready application to the ioorand ceilingvof a room, and this thimble consists of a cast-metalceiling-plate 14, a cast-metal iioor-plate l5, the shell or casing 16,and the bolts 17. In putting the thimble 13 in place a hole is cutthrough the floor and ceiling,the plate 14 is applied against theceiling, the shell or casing 16 is inserted in the hole, the Hoor-plate15 is fitted to the iioor over the hole therein, and the bolts 17 arepassed through the two plates,` so as todraw them firmly together andconfine the shell 16 between the plates. These plates are drawn to theirplaces against the iioor or oeil ing, so as to conceal the rough edgesof the hole provided for the passage of the flue 10. The ceiling-plate14 is furthermore provided on its upper side or face with an annulariiange 19, which forms a seat 2O for the lower extremity of the metallicfine or pipe 10, and the hole 21 in the ceiling-plate is smaller thanthe hole 22 in the Hoor-plate, whereby the lower end of the metalliciiue or pipe 10 'may rest upon the seat 20 of the plate 14, and theiiange 19 serves to properly center the metallic flue or pipe in thehoor-thimble. The

pipe from the stove or furnace may be slipped IOD through the opening 2lin the ceiling-plate 14, so as to enter the fiue or pipe l0. The hole inthe floor and ceiling exceeds the diameter of the iiue or pipe, and thecirculationspace is thusV provided around the fiue lO and within thecasing or shell I6 of the Hoor-thimble, and in the floor and ceilingplates 15 14 is provided the annular series of perforations 23, whichprovide for the admission and egress of air within the t-himble-casing16, thus establishing the desired air circulation through the thimbleand around the flue or pipe at the point where the latter passes throughthe floor.

The flue or pipe is extended through the roof, and at a point below theceiling of this roof a fixed abutment or collar 24 is provided on thefine for supporting the roofthimble 25, said abutment serving to holdthe roof-thimble against displacement in a downward direction on thefiue 10. The roof-thimble consists of an imperforate shell or casingwhich surrounds the flue or pipe, and said thimbie is provided at itsends with the annular beads or flanges 26, that are perforated at 27.The thimble is long enough to pass through the roof, and its beads orflanges serve to space the thimble relatively to the flue or pipe IO, soas to secure an intervening circulatingspace, into which air ispermitted to enter through the vent-holes 27 in the beads or flanges. Asis usual, the upper end of the iiue 10 projects above the roof asuitable distance, and the thimble 25 also extends above the roof asufficient distance to carry or support the roof-plates 28. Theroof-plates rest on the ridge of the roof to exclude water fromeintering the space provided for the passage of the thimble 25, andabove this Ventilating thimble is arranged the hood, that is fitted tothe fiue 10, so as to exclude rain or snow from passing through thethimble into the room. A spacing-collar 29 is slipped over the flue-torest upon the upper bead or flange of the roof-thimble, and the upperend of this spacing-collar has an enlarged rib or flange 30. The flaredhood 3l has a sleeve 32, which' is fitted snugly on the fiue IO, andthis flared hood rests upon the rib of the spacing-collar 29, so as tobe sustained thereby a proper distance above the upper perforated flange26 of the roof-thimble, thus providing a space 33 between the flaredhood and the thimble. It will be observed that the hood projects beyondthe cylindrical roof-thimble, but that it does not rest directly uponthe thimble, because the collar 29 is interposed between said hood andthe thimble, whereby the hood serves to exclude rain or snow fromentering the thimble, and at the same time the space 33 is formed topermit the desired circulation of air through the thimble 25.

For the accommodation of the cowl the sleeve 32 of the hood is providedwith the keepers or loops 34, which are secured firmly to the outside ofthe sleeve 32 at diametrically opposite points thereof and contiguous tothe flared hood. The cowl 35 may be of any suitable construction, and itis united to a sleeve 36, which is adapted tol be fitted on the upperextremity of the flue IO. This cowl is attached adj ustably to the hoodby means of the yieldable or elastic arms 37, which are secured firmlyto opposite sides of the sleeve 36 and are bent or flared outwardly attheir free ends. The spring-arms must be compressed in order to slipthrough the keepers or loops 34 on the sleeve 3l when the cowl-sleeve 36is slipped over the hood-sleeve 32, and the deflected ends of thespring-arms engage frictionally with the flared hood 3l in order to holdthe cowl securely in place on the hoodsleeve. The cowl may be raised orlowered within certain limits, so as to be sustained at variable heightson the iiue lO, and in all ad; justments of the cowl it is retained inplace by the frictional contact of the spring-arms with the flared hood,the arms being confined slidably in the keepers orloops 34. The armsserve to firmly hold the cowl in place, and the cowl may be readilydisconnected from or fitted to the hood-sleeve and the fiue.

One of the features of my invention consists in the employment of afloor-thimble pro-Y vided with a flanged seat on the lower member orceiling-plate thereof,'and the flue or pipe I0 is arranged to rest onthis seat in order that said flue or pipe may be supported by thetloor-thimble. Said fiue carries a cowl at its upper-protrudingextremity above the roof, and it also supports the roof-thimble, andthus the fioor-thimble is made to support the flue and the cowl.

Changes may be made in the form and proportion of some of the partswhile their essential features are retained and the spirit of theinvention embodied. Hence I do not desire to be limited to the preciseform of all the parts as shown, reserving the right to vary therefrom.Having thus described the invention, what I claim is- 1. In combination,a flue, a roof-thimble slipped upon the flue and provided withventilating-*perforationaa stop on the flue to limit the downwardmovement of the thimble,a collar fitted on the flue and resting on thethimble, and a fiared hood provided with a sleeve which is fitted on theflue above the collar', said hood resting on the collar with the loweropen end of the hood encircling the thimble and occupying a spacedrelation thereto for the free circulation of air between said hood andthe thimble, substantially as described.

2. In combination, a fine, a roof-thimble slipped upon the flue fromabove, and having inner terminal flanges engaging at their inner edgeswith the sides of the' flue and provided with perforations intermediateof their edges, a stop on the ue to limit the downward movement of thethimble, a collar slipped upon the fine and resting upon the upperterminal flange of the roof-thiinble inside of the openings thereof andhaving an IOO IIO

outer rib at its upper end, and a downwardlyflared hood having a sleeve,the latter encircling the Hue above the collar and resting upon the ribthereof, and the lower end of the hood encircling the upper end of theroofthimble and spaced therefrom', substantially as set forth.

3. The combination with a ue and a Ventilated roof-thimble, of a hoodwhich partially incloses said roof-thimble, keepers on said hood and acowl provided with spring-arms which are connected slidably with thekeepers and engage frictionally with the hood,sub

stantially as described.

